12" x 22" or 22" x 12" Cube Core Eggcrate Return Air Grille 10" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are approximately 12 5/8" width X 8 5/8" height -

+ Product Details Size - 36"w X 12"h X 2"d (for duct opening measurement only)

75"H – fits a 14" X 12" duct opening

+ Product Details Size - 32"w X 12"h is the size for the duct opening measurement only

listed size +2"

12" x 22" or 22" x 12" Cube Core Eggcrate Return Air Grille 10" Round Duct Pipe actual front end outer dimensions+ Product Details Size 12" x 22" or 22" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" X 23. 75". High Quality High quality, rust free aluminum construction with smooth finished edges and counter sunk screw holes (screws included); no sharp edges.. Installation Location sidewall and ceiling. Design Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing